# if 3 > 0:
#     print('yes')
#     print('ok')

# if 0.0:
#     print('任何值为0的数字都是False')
#
# if 10:
#     print('非0为真')

# if ' ':
#     print('任何非空对象都为真，空为假')
#     print('空格字符，也是一个字符')
#
# if []:
#     print('空列表，为假')

# a = 10
# b = 20
# if a < b:
#     s1 = a
# else:
#     s1 = b
# print(s1)

a = 10
b = 20
s1 = a if a < b else b
print(s1)
